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Total Lung Capacity Formula

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Total Lung Capacity is the maximum volume of air the lungs can accommodate or sum of all volume compartments or volume of air in lungs after maximum inspiration. Check FAQs

TLC = IRV + TV + ERV + RV

TLC - Total Lung Capacity?IRV - Inspiratory Reserve Volume?TV - Tidal Volume?ERV - Expiratory Reserve Volume?RV - Residual Volume of Lung?

Total Lung Capacity Example

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Here is how the Total Lung Capacity equation looks like with Values.

Here is how the Total Lung Capacity equation looks like with Units.

Here is how the Total Lung Capacity equation looks like.

42 = 10 + 10 + 12 + 10

42mL = 10mL + 10mL + 12mL + 10mL

42 = 10 + 10 + 12 + 10

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Total Lung Capacity Solution

Follow our step by step solution on how to calculate Total Lung Capacity?

FIRST Step Consider the formula

TLC = IRV + TV + ERV + RV

Next Step Substitute values of Variables

∴

TLC = 10mL + 10mL + 12mL + 10mL

Next Step Convert Units

∴

TLC = 1E-5m³ + 1E-5m³ + 1.2E-5m³ + 1E-5m³

Next Step Prepare to Evaluate

∴

TLC = 1E-5 + 1E-5 + 1.2E-5 + 1E-5

Next Step Evaluate

∴

TLC = 4.2E-05m³

LAST Step Convert to Output's Unit

∴

TLC = 42mL

Total Lung Capacity Formula Elements

Variables

Total Lung Capacity

Total Lung Capacity is the maximum volume of air the lungs can accommodate or sum of all volume compartments or volume of air in lungs after maximum inspiration.

Symbol: TLC

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Total Lung Capacity

Inspiratory Reserve Volume

Inspiratory Reserve Volume is the additional volume of air that can be inspired at the end of a normal or tidal inspiration.

Symbol: IRV

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Inspiratory Reserve Volume

Tidal Volume

Tidal Volume is the amount of air that moves in or out of the lungs with each respiratory cycle.

Symbol: TV

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Tidal Volume

Expiratory Reserve Volume

Expiratory Reserve Volume is the volume of air that can be exhaled forcibly after exhalation of normal tidal volume. The normal adult value is 700-1200ml.

Symbol: ERV

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Expiratory Reserve Volume

Residual Volume of Lung

Residual Volume of Lung is the volume of air remaining in the lungs after maximal exhalation. Normal adult value is averaged at 1200ml(20‐25 ml/kg).

Symbol: RV

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Residual Volume of Lung

Other formulas in Lung Physiology category

Go Airway Resistance

R AW = \frac{P atm - P A}{v̇}

Go Airway Conductance

G AW = \frac{1}{R AW}

Go Inspiratory capacity of Lung

IC = TV + IRV

Go Vital Capacity of Lung

VC = TV + IRV + ERV

How to Evaluate Total Lung Capacity?

Total Lung Capacity evaluator uses Total Lung Capacity = Inspiratory Reserve Volume+Tidal Volume+Expiratory Reserve Volume+Residual Volume of Lung to evaluate the Total Lung Capacity, The Total Lung Capacity formula is defined as the maximum volume of air the lungs can accommodate or sum of all volume compartments or volume of air in lungs after maximum inspiration. Total Lung Capacity is denoted by TLC symbol.

How to evaluate Total Lung Capacity using this online evaluator? To use this online evaluator for Total Lung Capacity, enter Inspiratory Reserve Volume (IRV), Tidal Volume (TV), Expiratory Reserve Volume (ERV) & Residual Volume of Lung (RV) and hit the calculate button.

FAQs on Total Lung Capacity

What is the formula to find Total Lung Capacity?

The formula of Total Lung Capacity is expressed as Total Lung Capacity = Inspiratory Reserve Volume+Tidal Volume+Expiratory Reserve Volume+Residual Volume of Lung. Here is an example- 4.2E+7 = 1E-05+1E-05+1.2E-05+1E-05.

How to calculate Total Lung Capacity?

With Inspiratory Reserve Volume (IRV), Tidal Volume (TV), Expiratory Reserve Volume (ERV) & Residual Volume of Lung (RV) we can find Total Lung Capacity using the formula - Total Lung Capacity = Inspiratory Reserve Volume+Tidal Volume+Expiratory Reserve Volume+Residual Volume of Lung.

Can the Total Lung Capacity be negative?

No, the Total Lung Capacity, measured in Volume cannot be negative.

Which unit is used to measure Total Lung Capacity?

Total Lung Capacity is usually measured using the Milliliter[mL] for Volume. Cubic Meter[mL], Cubic Centimeter[mL], Cubic Millimeter[mL] are the few other units in which Total Lung Capacity can be measured.

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Total Lung Capacity Formula

Total Lung Capacity Example

Total Lung Capacity Solution

Total Lung Capacity Formula Elements

Other formulas in Lung Physiology category

How to Evaluate Total Lung Capacity?

FAQs on Total Lung Capacity

Variable Name